Aclosed system, used for bacterial growth, where nothing is added and nothing is removed is called

Answer;

- A batch culture

A closed system, used for bacterial growth, where nothing is added and nothing is removed is called a batch culture.

Explanation;

-Batch culture is a technique used to grow microorganisms or cells. A limited supply of nutrients for growth is provided; when these are used up, or some other factor becomes limiting, the culture declines. Cells, or products that the organisms have made, can then be harvested from the culture.

-In this culture, certain volume of medium is inoculated with cells. The cells grow in the medium and are exposed to changing conditions, as nutrients are depleted and waste products accumulate.

answer; i believe is(b)converging

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms